CN106471224A - Support component - Google Patents
Support component Download PDFInfo
- Publication number
- CN106471224A CN106471224A CN201580033997.3A CN201580033997A CN106471224A CN 106471224 A CN106471224 A CN 106471224A CN 201580033997 A CN201580033997 A CN 201580033997A CN 106471224 A CN106471224 A CN 106471224A
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- China
- Prior art keywords
- pressure
- containing parts
- piston
- support component
- housing
- Prior art date
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000280 densification Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0005—Deactivating valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L2001/2444—Details relating to the hydraulic feeding circuit, e.g. lifter oil manifold assembly [LOMA]
Abstract
The present invention relates to a kind of support component (10) of hydraulic pressure of double-current method，It is used for the rocking arm that can switch of the valve actuating device of internal combustion engine，Wherein，Piston (24) can be arranged in the hole (18) of the axial direction of housing (12) of support component with axial motion，Wherein，Piston (24) is made up of the pressure-containing parts (22) of hollow cylinder-like and the workpiece (20) of can-like，Wherein，The head (28) of pressure-containing parts (22) is used as the bearing for rocking arm and protrudes beyond shell rim (34)，Wherein，It is configured with the opening for the hydraulic medium that flows in the side (30) of head (28)，Wherein，Housing (12) has the first gateway (40) and axially spaced-apart is turned up the soil the second gateway (42) having for hydraulic medium，And wherein，Support component (10) has the blank compensation apparatus (36) of the hydraulic pressure for rocking arm with ball check valve (37).It is provided that to most preferably control connector，The sleeve (44) of unilateral closure is placed in pressure-containing parts (22)，The end (52) of the closure of sleeve (44) reaches in the region of outer annular groove (58) below the head (28) of the dome-shaped of pressure-containing parts (22)，Inner radial and axially below in sleeve (44)，It is configured with the deposit space (54) for supplying hydraulic medium to blank compensation apparatus (36) in the pressure-containing parts (22) and workpiece (20) of piston (24)，Deposit space (54) is connected with the first gateway (40) in housing (12) via the pass through openings (70) in workpiece (20)，The space (56) that controls for coupling arrangement is carried out with hydraulic pressure supply between sleeve (44) and the pressure-containing parts (22) of piston (24) for the construction is connected with the second gateway (42) in housing (12) via the pass through openings (76) of the radial direction in pressure-containing parts (22)，And lay in the volumetric ratio in space (54) control space (56) volume much bigger.
Description
Technical field
The present invention relates to a kind of support component of the hydraulic pressure of double-current method, it is used for switching of the valve actuating device of internal combustion engine
Rocking arm, this support component has pot type housing, and this housing can be encased in the cylinder head of internal combustion engine, wherein, in the axle of housing
To hole in, with the longitudinal central axis line of support component coaxially so that piston can be disposed with the way of axially-movable, wherein, piston by
The workpiece of the pressure-containing parts of hollow cylinder-like and can-like axially coupled therewith is constituted, wherein, the pressure-containing parts of piston
At least one head be used as the rocking arm that can switch bearing and axially projecting exceed shell rim, wherein, will be used for wearing
Stream is configured to piston to the opening of the hydraulic medium that the coupling arrangement that can be controled by hydraulic pressure in the rocking arm that can switch is loaded
The side of head in, wherein, housing has the first radial direction gateway for hydraulic medium and is spaced therewith in the axial direction
Turn up the soil the second radial direction gateway having for hydraulic medium, and wherein, be configured with the liquid for rocking arm on a support element
The blank compensation apparatus of pressure, wherein, blank compensation apparatus have ball check valve.
Background technology
Known in DE 103 30 510 A1, a kind of rocking arm that can switch of the valve actuating device for internal combustion engine is double
The support component of streaming, this support component has two separate flow passages for hydraulic medium in the housing.First-class
Dynamic path is used for the blank compensation apparatus of hydraulic pressure are supplied, and via the second flow passage carry out to keeping flat, can cut
Connector supply hydraulic medium in the rocking arm changing.The hydraulic separate of two flow paths is every by being placed to the hollow of support component
Pressure piston in hood-like element realizing.Check-valves in the blank compensation apparatus of hydraulic pressure are formed using spheroid,
Hole in the bottom that spheroid encloses working piston in the make position of check-valves.Valve spring is by ball axially with the machine of restriction
The end of the opening in hole in the pretightning force extrusion piston bottom of tool, wherein, valve spring is supported between spheroid and the cover of can-like.
The flange being radially outward directed of the cover of can-like is abutted on the depressed part of the axial direction of downside of working piston with the power limiting, its
In, the compression spring for producing necessary extruding force is supported on the flange of cover and the cylinder shape space of the housing of support component
Between bottom faces.
Similar support component is known in DE 10 2,006 045 017 A1.Shortcoming in these support components is,
The top of the hood-like element in pressure piston is configured with relatively large dead volume to accommodate hydraulic medium.This leads to shake
The response characteristic of the non-optimal of the connector in arm and concomitantly lead to the inaccurate timing of the comparison in valve actuating device.
Additionally, by DE 10 2,004 006 903 A1 it is also known that a kind of support component of the hydraulic pressure of single current, using this
Support component hydraulically can only execute backlash compensation on not switchable rocking arm.This backlash compensation is equally by spherical non-return
Operating, this ball check valve is arranged in the axially lower part region of the support component of hydraulic pressure valve, and be loaded with from
The hydraulic medium in the deposit space in support element.Deposit space in this support component by break-in sleeve come gauge, break-in set
In the axially extended hollow space of pressure piston that cylinder is coaxially disposed in support component, and using the section being relatively large in diameter
It is fixed on the inner circumferential side of this support component.On the less axial end portion of diameter, break-in sleeve has for hydraulic medium
Inlet opening.Deposit space hydraulic medium supply is lived via the pressure in the hole of the radial direction in housing and the support component of hydraulic pressure
The hole of the radial direction in plug is carrying out.Before getting there, hydraulic medium is lived with pressure in the outer wall of break-in sleeve via construction
The ascending path of the hollow cylinder-like between the inwall of plug reaches the inlet opening away from check-valves in break-in sleeve, and from
There reaches in deposit space.It is configured with the rod radial air vent in pressure piston in the axial region of break-in sleeve.For this
The model of action of the support component of hydraulic pressure, can be learnt by DE 10 2,004 006 903 A1, in hydraulic medium via shell
After radial hole in radial hole and pressure piston in body flows into, this hydraulic medium reaches the ascending path of hollow cylinder-like
In.The Part I of the air that may contain in the hydraulic medium being transmitted is discharged to outside via rod radial air vent.Institute
Then the hydraulic medium of conveying reaches in deposit space via the axially open in break-in sleeve, and this deposit space is via break-in set
Diametrically gauge is carried out in the axially opposing longer region of cylinder.Accumulation hydraulic medium there is there calmed down simultaneously relatively
And there is no bubble.This is primarily due to, hydraulic medium deposit space this partly in and be not continued the hydraulic pressure of inflow
Medium stirs.If the hydraulic medium importing to via ascending path in the inner space of break-in sleeve still contains bubble, then
These bubbles are just lifted up in the region of the head of support component and therefore do not affect the directly phase before check-valves
To the hydraulic medium imperturbably existing.Therefore, in the support component of this single current, axially opposing longer break-in sleeve is used for
Hydraulic medium for being conveyed to check-valves is directed to so-called ascending path and provides aerofluxuss section peace breath section.
Content of the invention
Based on this background, the task of the present invention is to introduce a kind of support component of the hydraulic pressure of double-current method, wherein, can be via
First flow passage give for keep flat on a support element to the blank compensation apparatus of hydraulic pressure and via the second flow passage
The connector supply hydraulic medium of the rocking arm that can switch.New support component should be capable of the special of the connector to rocking arm
Accurate and undelayed control.
This task is solved by the support component with the hydraulic pressure of the double-current method of the feature of independent claims.Favourable sets
Meter scheme illustrates in the dependent claims.
The present invention based on the realisation that, i.e. participate in controling by reducing during operating mechanism in operating hydraulic system
The undesirable time delay that the volume of hydraulic circuit can reduce.
Therefore, the present invention relates to a kind of support component of the hydraulic pressure of double-current method, it is used for the valve actuating device of internal combustion engine
The rocking arm that can switch, this support component has pot type housing, and this housing can be encased in the cylinder head of internal combustion engine, wherein, in shell
In the hole of the axial direction of body, coaxially in the way of energy axially-movable, be disposed with piston with the longitudinal central axis line of support component, wherein,
Piston is made up of the pressure-containing parts of hollow cylinder-like and the workpiece of can-like axially coupled therewith, wherein, piston pressurized
At least one head of part be used as the rocking arm that can switch bearing and axially projecting exceed shell rim, wherein, general
For percolation, the opening of the hydraulic medium that the coupling arrangement that can be controled by hydraulic pressure in the rocking arm that can switch is loaded is constructed
To in the side of the head of piston, wherein, housing have for hydraulic medium the first radial direction gateway and in the axial direction with
The second radial direction gateway having at interval for hydraulic medium, and wherein, be configured with a support element for shaking
The blank compensation apparatus of the hydraulic pressure of arm, wherein, this blank compensation apparatus has ball check valve.
In order to solve this task, additionally it is provided that in this support component, the sleeve of unilateral closure can not be moved
Be placed in the pressure-containing parts of piston, the end of the closure of sleeve reaches the lower head of the dome-shaped of pressure-containing parts
In the region of outer annular groove, in the inner radial and in sleeve axially below of sleeve, in the pressure-containing parts of piston and
It is configured with the common deposit space for supplying hydraulic medium to blank compensation apparatus, deposit in the workpiece coupling therewith
Space is via the first gateway in the pass through openings and housing of the radial direction in the workpiece of piston via the first hydraulic path
Connect, construction between the radially inner side of the radial outside of sleeve and the pressure-containing parts of piston in the rocking arm that can switch
Coupling arrangement carry out hydraulic pressure supply control space via in pass through openings and the housing of the radial direction in the pressure-containing parts of piston
The second gateway connect via the second hydraulic path, and lay in the volumetric ratio in space control space volume much bigger.
Pass through the flow passage that proposed design structure provides two hydraulic pressure being mutually isolated, between they are dividually given
The connector supply hydraulic medium of gap compensation device and rocking arm.Volume due to controling space is relatively very little, so in operation
Very short response time can be achieved, thus in internal-combustion engine rotational speed low situation during coupling arrangement in the rocking arm of switching
Under be capable of very short and accurate timing.
It is provided that according to the expedients scheme of support component, sleeve has first section and second of hollow cylinder-like
Section, they are respectively provided with different diameters and are connected to each other by the section that misplaces and are spaced from each other.Thus, sleeve can
To meet multiple functions.
Therefore, the improvement project according to this support component can be provided that, the first section hydraulic packing ground patch of sleeve
On the inner surface of the radial direction leaning against the pressure-containing parts of piston, and the interior table of the pressure-containing parts of the second section in sleeve and piston
Annular space is constructed between the axial section in face.Thus achieve being mechanically fixed in the head portion of piston of sleeve and
The arrangement of seal closure on hydraulic pressure, wherein, provides the pressurized of the second radial direction pass through openings in piston and piston simultaneously
The hydraulic connecting between axially open in the head of part.
It is provided that according to the alternatively improved scheme of support component, the work of the first radial direction gateway in housing and piston
Make the pass through openings of radial direction in the part first annular gap hydraulic connecting between housing and workpiece.Coaxial at this
Annulus in achieve calming down and aerofluxuss to hydraulic medium, thus prevent to a great extent hydraulic medium bubble.
Due to coaxial annulus, in the structure space demand simultaneously in the case of very little of radial direction, in order that hydraulic medium continue to
Lay in spatial flow and provide the enough flow cross sections for hydraulic medium simultaneously.
It is provided that according to other design, described first annular gap is expanded by first radial direction in the hole of housing
The outer surface of the cylinder shape of big portion and workpiece is formed.The construction in first annular gap can in a straightforward manner pass through to
The inner surface of the initially continuous cylinder shape of the housing of support element carries out machining to realize.
It is provided that according to other embodiment, the second radial direction gateway in housing is pressurized via housing and piston
The second annulus between part and the pass through openings hydraulic connecting of the radial direction in pressure-containing parts.Thus, it is also provided that use
In the hydraulic medium in the second hydraulic path is calmed down and aerofluxuss distance.
Second annulus is preferably by the cylinder shape of second radially enlarged portion in the hole of housing and the pressure-containing parts of piston
Outer surface is formed.This second annulus again may be by the interior table of the initially continuous cylinder shape of the housing to support component
Face carries out machining to produce.
It is provided that according to the alternatively improved scheme of support component, the first gateway in housing and the work department of piston
The pass through openings of the radial direction in the pressure-containing parts of the second gateway in the pass through openings of the radial direction in part and housing and piston
Do not arrange with offseting one from another in the axial direction respectively with there is no axial overlap.The flow velocity of hydraulic medium thus can be reduced.
Preferably, in the convex shoulder on the hole being configured in housing and be configured in pressure-containing parts outer surface on convex shoulder between cloth
It is equipped with retainer ring.The travel limit thus providing the axial direction of the pressure-containing parts of the piston for enclosure interior axially stops in other words
Gear.Here, providing retainer ring as follows, i.e. so that hydraulic medium is passed through, in other words to a great extent
In be not preserved for hydraulic medium the second flow passage with substantially not producing impact.
Finally be considered advantageously, deposit space the inner side in sleeve, the pressure-containing parts of piston and workpiece it
Between the volumetric ratio that formed to control the volume being formed between the outside in sleeve in space and the inner side of pressure-containing parts of piston big extremely
Few 50%.Restrictively here can be provided that, deposit space in sleeve, the pressure-containing parts and workpiece of piston
The volumetric ratio being formed between side controls the volume being formed between the outside in sleeve in space and the inner side of pressure-containing parts of piston
Big 50% to 180%.Be provided that according to exemplary embodiment, deposit space volumetric ratio control space volume big
60% to 80%.Extremely restrictively it is provided that, the volumetric ratio in deposit space controls the volume big 65% to 75% in space.
Brief description
In order to the present invention is expanded on further, description has the accompanying drawing of embodiment.This unique accompanying drawing shows through root
Radial direction partial longitudinal section figure according to the support component of present invention construction.
Specific embodiment
The support component 10 of hydraulic pressure has the housing 12 of essentially pot-shaped, and this housing has housing bottom 14 and circumferential lateral surface
16.Housing 12 can be placed in the receiving hole of unshowned cylinder head of internal combustion engine.Supply hydraulic pressure to the support component 10 of hydraulic pressure
The hydraulic channel of medium leads in the receiving hole in cylinder head.With energy edge in the hole 18 of the axially continuous cylinder shape of housing 12
The mode longitudinal central axis line 26 axial movement of support component 10 accommodates by workpiece 20 and the axial group of pressure-containing parts 22
The piston 24 of synthesis.Here, the seamless unoccupied place of workpiece 20 and axially abutting in touching on the pressure-containing parts 22 of piston 24.
The head 28 of the dome-shaped of pressure-containing parts 22 of piston 24 is used as the valve actuating device not being drawn into for internal combustion engine
Equally unshowned rocking arm bearing.The opening being implemented as the hole 32 of cylinder shape is incorporated into the pressure-containing parts 22 of piston 24
In the side 30 of the head 28 of dome-shaped, this opening is used for hydraulic pressure Jie that conveying is used for controling energy hydraulically operated coupling arrangement
Matter.In order to ensure enough axial operation strokes, the head 28 of dome-shaped at least protrudes beyond the shell of the axial direction of support component 10
Body edge 34.
In order to realize the automatic valve clearance desired by the valve actuating device of internal combustion engine is compensated, in support component
In the region of the bottom 38 of the workpiece 20 of piston 24, in 10, it is configured with the blank compensation apparatus of automatic hydraulic action
36.This blank compensation apparatus 36 has the ball check valve 37 being only capable of being partially seen, and its spheroid 37a abuts on valve seat, should
Valve seat constructs in the region in the axial hole in the bottom 38 of the workpiece 20 of piston 24.Spheroid 37a is by holding cover 39 Hes
Valve spring 41 extrudes valve seat.It is axially supported at the compression spring of the cylinder shape on the workpiece 20 and housing bottom 14 of piston 24
43 be applied to holding cover 39 from.
Additionally, the first radial direction gateway 40 being used for making hydraulic medium to pass through and the second radial direction gateway 42 are configured to shell
In body 12, wherein, hydraulic medium can be hydraulic oil or similar mediums.This two radial direction gateway 40,42 is with to each other relatively
Larger axial spacing arrangement.
It is disposed with the sleeve 44 of unilateral closure in the inside of the pressure-containing parts 22 of piston 24, this sleeve has the first section 46
With the second section 48, they are connected to each other via the dislocation section 50 of taper.First section 46 of sleeve 44 and the second section 48
It is respectively provided with the shape of hollow cylinder-like, wherein, the diameter with diameter greater than the second section 48 not marked of the first section 46.Set
The length of the second section 48 of cylinder 44 is that at least three times of the length of the first section 46 of sleeve 44 are big.Sleeve 44 is at an upper portion thereof
, closely construct away from the end 52 of check-valves.
On the inner space of sleeve 44, the axial direction in the space of the inner radial of pressure-containing parts 22 of piston 24 short section and
The space of the inner radial of workpiece 20 defines the deposit space 54 for accommodating hydraulic medium.Deposit is made by sleeve 44
On the hydraulic pressure of space 54 with control space 56 and separate, control space and be formed at the radial outside of sleeve 44 and the pressure-containing parts of piston 24
Between the axial section 62 of 22 inner surface 60.
Can give to lay in space 54 and control space 56 via the gateway 40,42 mentioned by two in housing 12 and supply
Hydraulic medium.Here, the end 52 of the closure of sleeve 44 extends up to the dome-shaped of pressing close on the pressure-containing parts 22 of piston 24
In the region of outer annular groove 58 of cincture of head 28 lower section, thus, control space 56 and compare deposit space 54 and have substantially
Less volume.Supply hydraulic medium to automatic blank compensation apparatus 36 via deposit space 54, and with deposit space hydraulic pressure
The space 56 that controls of isolation supplies for the connection element being associated with rocking arm, can switching of the valve actuating device to internal combustion engine
Give.
First section 46 of the axial direction of sleeve 44 is preferably with press-fit (pressschl ü ssig) and to a great extent
On the inner surface 60 of the cylinder shape abutting in hydraulic packing the pressure-containing parts 22 of piston 24, and thus position in the axial direction simultaneously
Put fixation.On the contrary, the axial direction of sleeve 44 the second section 48 and the inner surface 60 of pressure-containing parts 22 axial section 62 it
Between remain with the annular space 64 of narrow radial direction, the hydraulic medium of inflow can be made in this annular space to calm down.Clearly may be used
Insight, the radial outside of the first section 48 of the axial direction of sleeve 44 is visited and is reached until pressing close to the interior of the pressure-containing parts 22 of piston 24
Wall, thus the region close to working piston controling space 56 only has very little volume.
The first hydraulic path 66 for delivery hydraulic pressure medium passes through the first radial direction gateway 40 of housing 12, via first
The pass through openings 70 of annulus 68 and the radial direction in the workpiece 20 of piston 24 extend up to enter into big volume
In deposit space 54.Therewith the second independent hydraulic path 72 from the second radial direction gateway 42 of housing 12 via the second annulus
Gap 74 and extend up to enter into construction outside sleeve 44 in the pass through openings 76 of the radial direction in the pressure-containing parts 22 of piston 24
The controling in space 56 of little volume.Two footpaths given in housing 12 via the unshowned passage in the cylinder head of internal combustion engine
It is generally in the hydraulic medium under pressure not etc. to gateway 40,42 supply.
The first radial direction that first annular gap 68 is formed in the hole 18 of housing 12 is left a blank portion 78 and the can-like of piston 24
Between the outer surface 80 of workpiece 20.The second radial direction that second annulus 74 is formed in the hole 18 of housing 12 is left a blank portion 82
And the outer surface 84 of the cylinder shape of the pressure-containing parts 22 of piston 24 between.
In the workpiece 20 of the first gateway 40 in housing 12 and the second gateway 42 and piston 24 or pressurized
The pass through openings 70,76 of two radial directions in part 22 are arranged respectively about longitudinal central axis line 26 with axially offsetting each other.Fixing
Ring 86 is fixed for axial location or is limited as the axial stroke for piston 24, and is arranged in the hole being configured in housing 12
Convex shoulder 88 on 18 and construction are between the other convex shoulder 90 on the outer surface 84 of pressure-containing parts 22.Retainer ring 86 is arranged in
Construct in second hydraulic path 72 and as follows, i.e. enable retainer ring without hindrance to a great extent by hydraulic medium
Stream to power.Retainer ring 86 for example may be embodied as ring spring or snap ring.
Because the support component 10 of the hydraulic pressure of double-current method has it the grows in the axial direction very much and very big sleeve of diameter 44
The design structure according to the present invention, obtained for supply blank compensation apparatus 36 relatively large volume deposit space 54
The relatively small of the spatial content being obviously reduced with the support component with the hydraulic pressure comparing known double-current method controls sky
Between 56.Control space 56 to be only used for supplying switching of the rocking arm of the valve actuating device of internal combustion engine independent of deposit space 54 ground
Connection element.Thus, compare the solution in known technology to significantly decrease for controling switching of rocking arm
Itself inevitable dead volume in the hydraulic path of connection element, this be capable of valve actuating device accurately and very
Short timing.
Based on the deposit space 54 increasing in terms of volume simultaneously, when support component, to compare it shown here vertical orientated
When obliquity is in due to inclination of vehicle, be also obtained support component 10 blank compensation apparatus 36 can workability.
Reference numerals list
The support component of 10 hydraulic pressure
12 pot type housings
14 housing bottoms
The circumferential lateral surface of 16 housings
The hole of the cylinder shape in 18 housings
The workpiece of 20 pistons
The pressure-containing parts of 22 pistons
24 pistons
26 longitudinal central axis lines
28 heads on the pressure-containing parts of piston
The side of 30 heads
Hole in 32 heads
34 shell rim
36 blank compensation apparatus
37 ball check valves
37a spheroid
The bottom of the workpiece of 38 pistons
39 keep cover
The first radial direction gateway in 40 housings
41 valve springs
The second radial direction gateway in 42 housings
43 compression springs
44 sleeves
First section of 46 sleeves
Second section of 48 sleeves
The dislocation section of the taper of 50 sleeves
The end of the closure of 52 sleeves
54 deposit spaces
56 control space
The cannelure pressing close to lower head in the workpiece of 58 pistons
Inner surface in the pressure-containing parts of 60 pistons
The axial section of 62 pistons
Annular space between 64 pistons and sleeve
66 first hydraulic path
68 first annular gaps
The pass through openings of the radial direction in the workpiece of 70 pistons
72 second hydraulic path
74 second annulus
The pass through openings of the radial direction in the pressure-containing parts of 76 pistons
First radially enlarged portion in the hole in 78 housings
The outer surface of the cylinder shape of the workpiece of 80 pistons
Second radially enlarged portion in the hole in 82 housings
The outer surface of the cylinder shape in the pressure-containing parts of 84 pistons
86 retainer ring
Convex shoulder in the hole of 88 housings
Convex shoulder on the outer surface of 90 pressure-containing parts
Claims (11)
1. the support component (10) of the hydraulic pressure of double-current method, it is used for the rocking arm that can switch of the valve actuating device of internal combustion engine, described
Support component has pot type housing (12), and described housing can be encased in the cylinder head of internal combustion engine, wherein, in described housing (12)
The hole (18) of axial direction in, with the longitudinal central axis line (26) of described support component (10) coaxially by can cloth in the way of axially-movable
It is equipped with piston (24), wherein, described piston (24) is by the pressure-containing parts (22) and with described pressure-containing parts axially of hollow cylinder-like
The workpiece (20) of the can-like of connection is constituted, wherein, at least one head of the pressure-containing parts (22) of described piston (24)
(28) be used as described can switching rocking arm bearing and axially projecting exceed shell rim (34), wherein, for flowing
Described work is configured to the opening of the hydraulic medium that the coupling arrangement that can be controled by hydraulic pressure in the rocking arm that can switch is loaded
In the side (30) of head (28) of plug (24), wherein, described housing (12) has the first radially discrepancy for hydraulic medium
Mouthful (40) and there is with described first radial direction gateway second radially coming in and going out for hydraulic medium in the axial direction at interval
Mouth (42), and the blank compensation apparatus of the hydraulic pressure for described rocking arm wherein, are configured with described support component (10)
(36), wherein, described blank compensation apparatus (36) have ball check valve (37) it is characterised in that sleeve by unilateral closure
(44) can not be placed to moving in the pressure-containing parts (22) of described piston (24), the end (52) of the closure of described sleeve (44)
In the region of outer annular groove (58) below the head (28) of the dome-shaped reaching described pressure-containing parts (22), described
The inner radial of sleeve (44) and in described sleeve (44) axially below, in pressure-containing parts (22) and the work of described piston (24)
Make in part (20), to construct the common deposit space (54) for supplying hydraulic medium to described blank compensation apparatus (36),
Described deposit space (54) is via pass through openings (70) and the described shell of the radial direction in the workpiece (20) of described piston (24)
The first gateway (40) in body (12) connects via the first hydraulic path (66), the radial outside in described sleeve (44) for the construction
Between the radially inner side of the pressure-containing parts (22) of described piston (24) for described can switching rocking arm in couple dress
Put carry out hydraulic pressure supply control the pass through openings via the radial direction in the pressure-containing parts (22) of described piston (24) for the space (56)
(76) it is connected via the second hydraulic path (72) with the second gateway (42) in described housing (12), and described deposit space
(54) volume controling space (56) described in volumetric ratio is much bigger.
2. support component according to claim 1 is it is characterised in that described sleeve (44) has the first of hollow cylinder-like
Section and the second section (46,48), they be respectively provided with different diameters and by misplace section (50) be connected to each other and
It is spaced from each other.
3. support component according to claim 1 and 2 is it is characterised in that the first section (46) liquid of described sleeve (44)
Densification feud abuts on the inner surface (60) of the radial direction of pressure-containing parts (22) of described piston (24), and in described sleeve
(44) between the second section (48) and the axial section (62) of inner surface (60) of the pressure-containing parts (22) of described piston (24)
Construct annular space (64).
4. support component according to any one of claim 1 to 3 it is characterised in that in described housing (12) first
The pass through openings (70) of the radial direction in the workpiece (20) of radial direction gateway (40) and described piston (24) are via housing (12)
First annular gap (68) hydraulic connecting and workpiece (20) between.
5. support component according to claim 4 is it is characterised in that described first annular gap (68) is by described housing
(12) outer surface (80) of the cylinder shape of first radially enlarged portion (78) in hole (18) and described workpiece (20) is formed.
6. the support component according to any one of claim 3 to 5 it is characterised in that in described housing (12) second
The pass through openings (76) of the radial direction in the pressure-containing parts (22) of radial direction gateway (42) and described piston (24) are via housing (12)
The second annulus (74) hydraulic connecting and pressure-containing parts (22) between.
7. support component according to claim 6 is it is characterised in that described second annulus (74) is by described housing
(12) outer surface (84) of the cylinder shape of second radially enlarged portion (82) in hole (18) and described pressure-containing parts (22) is formed.
8. support component according to any one of claim 1 to 7 it is characterised in that in described housing (12) first
The pass through openings (70) of the radial direction in the workpiece (20) of gateway (40) and described piston (24) and described housing (12)
In the second gateway (42) and described piston (24) pressure-containing parts (22) in radial direction pass through openings (76) not axially
Overlappingly axially arrange with offseting one from another respectively.
9. support component according to any one of claim 1 to 8 is it is characterised in that be configured in described housing (12)
Hole (18) on convex shoulder (88) and the convex shoulder (90) being configured on the outer surface (84) of described pressure-containing parts (22) between arrange
There is retainer ring (86).
10. support component according to any one of claim 1 to 9 it is characterised in that described deposit space (54)
The volumetric ratio institute being formed between described sleeve (44), the pressure-containing parts (22) of described piston (24) and the inner side of workpiece (20)
State and control shape between the outside in described sleeve (44) in space (56) and the inner side of pressure-containing parts (22) of described piston (24)
The volume big at least 50% becoming.
11. support components according to claim 10 it is characterised in that described deposit space (54) in described sleeve
(44), control sky described in the volumetric ratio being formed between the pressure-containing parts (22) of described piston (24) and the inner side of workpiece (20)
Between the volume that formed between the outside in described sleeve (44) of (56) and the inner side of pressure-containing parts (22) of described piston (24)
Big 50% to 180%.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014212272.4A DE102014212272A1 (en) | 2014-06-26 | 2014-06-26 | supporting |
| DE102014212272.4 | 2014-06-26 | ||
| PCT/DE2015/200224 WO2015197056A1 (en) | 2014-06-26 | 2015-03-31 | Support element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106471224A true CN106471224A (en) | 2017-03-01 |
| CN106471224B CN106471224B (en) | 2019-04-02 |
Family
ID=52991402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580033997.3A Active CN106471224B (en) | 2014-06-26 | 2015-03-31 | Support component |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10066517B2 (en) |
| EP (1) | EP3161280B1 (en) |
| KR (1) | KR102279417B1 (en) |
| CN (1) | CN106471224B (en) |
| DE (1) | DE102014212272A1 (en) |
| WO (1) | WO2015197056A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317492A (en) * | 2015-11-27 | 2016-02-10 | 杭州新坐标科技股份有限公司 | Dual-oil way hydraulic gap adjuster for driving working condition conversion of valve rocker |
| CN110359974A (en) * | 2018-04-09 | 2019-10-22 | 舍弗勒技术股份两合公司 | Hydraulic support element for internal combustion valve mechanism |
| CN110709586A (en) * | 2017-06-07 | 2020-01-17 | 舍弗勒技术股份两合公司 | Hydraulic support element |
| CN112219051A (en) * | 2018-06-05 | 2021-01-12 | 采埃孚股份公司 | Method for producing a base body for a valve housing of a hydraulic control valve and valve housing with a base body |
| WO2021134484A1 (en) * | 2019-12-31 | 2021-07-08 | 舍弗勒技术股份两合公司 | Hydraulic lash adjuster for valve mechanism |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016206254A1 (en) | 2016-04-14 | 2017-10-19 | Schaeffler Technologies AG & Co. KG | Double-flow hydraulic support element |
| DE102016124574A1 (en) | 2016-12-16 | 2018-06-21 | Schaeffler Technologies AG & Co. KG | Hydraulic lash adjuster with adjustable throttle |
| DE102019104459B4 (en) * | 2019-02-21 | 2023-01-05 | Schaeffler Technologies AG & Co. KG | Actuator of a hydraulic valve drive of an internal combustion engine |
| US10961102B2 (en) | 2019-03-12 | 2021-03-30 | Schaeffler Technologies AG & Co. KG | Method of filling a fluid housing with fluid |
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| DE19712656A1 (en) * | 1997-03-26 | 1998-10-01 | Schaeffler Waelzlager Ohg | Combustion engine valve entrainment lever support |
| DE19805511A1 (en) * | 1998-02-11 | 1999-08-12 | Bayerische Motoren Werke Ag | Control valve for hydraulic valve timing control for IC engine |
| DE10330510A1 (en) * | 2003-07-05 | 2005-01-27 | Ina-Schaeffler Kg | Support element for controlled cam follower of valve gear of internal combustion engine has two paths extending from outer casing of housing for differently pressurized hydraulic medium through support element |
| EP1568851A1 (en) * | 2004-02-25 | 2005-08-31 | Delphi Technologies, Inc. | Hydraulic lash adjuster |
| US8037857B2 (en) * | 2008-08-13 | 2011-10-18 | Schaeffler Kg | Hydraulic support element for a switchable cam follower of a valve drive of an internal combustion engine |
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| EP1143120A3 (en) * | 2000-03-08 | 2001-10-24 | Eaton Corporation | Valve deactivator assembly for internal combustion engine |
| DE102004006903A1 (en) | 2004-02-12 | 2005-09-22 | Ina-Schaeffler Kg | Hydraulic support element |
| US7047925B2 (en) * | 2004-03-03 | 2006-05-23 | Delphi Technologies, Inc. | Dual feed hydraulic lash adjuster |
| DE102006045017A1 (en) | 2006-09-23 | 2008-03-27 | Schaeffler Kg | Double flow hydraulic supporting unit for adjustable cam follower, has path led axially upwards from passage to pressure piston into deviating section between bases of pot shaped sections |
| US9157340B2 (en) * | 2013-03-25 | 2015-10-13 | GT Technologies | Dual feed hydraulic lash adjuster for valve actuating mechanism |
-
2014
- 2014-06-26 DE DE102014212272.4A patent/DE102014212272A1/en not_active Withdrawn
-
2015
- 2015-03-31 WO PCT/DE2015/200224 patent/WO2015197056A1/en active Application Filing
- 2015-03-31 CN CN201580033997.3A patent/CN106471224B/en active Active
- 2015-03-31 US US15/308,994 patent/US10066517B2/en active Active
- 2015-03-31 KR KR1020177002027A patent/KR102279417B1/en active IP Right Grant
- 2015-03-31 EP EP15717410.3A patent/EP3161280B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19712656A1 (en) * | 1997-03-26 | 1998-10-01 | Schaeffler Waelzlager Ohg | Combustion engine valve entrainment lever support |
| DE19805511A1 (en) * | 1998-02-11 | 1999-08-12 | Bayerische Motoren Werke Ag | Control valve for hydraulic valve timing control for IC engine |
| DE10330510A1 (en) * | 2003-07-05 | 2005-01-27 | Ina-Schaeffler Kg | Support element for controlled cam follower of valve gear of internal combustion engine has two paths extending from outer casing of housing for differently pressurized hydraulic medium through support element |
| EP1568851A1 (en) * | 2004-02-25 | 2005-08-31 | Delphi Technologies, Inc. | Hydraulic lash adjuster |
| US8037857B2 (en) * | 2008-08-13 | 2011-10-18 | Schaeffler Kg | Hydraulic support element for a switchable cam follower of a valve drive of an internal combustion engine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317492A (en) * | 2015-11-27 | 2016-02-10 | 杭州新坐标科技股份有限公司 | Dual-oil way hydraulic gap adjuster for driving working condition conversion of valve rocker |
| CN105317492B (en) * | 2015-11-27 | 2018-03-02 | 杭州新坐标科技股份有限公司 | For driving double oil circuit hydraulic lash adjusters of valve rocker change working |
| CN110709586A (en) * | 2017-06-07 | 2020-01-17 | 舍弗勒技术股份两合公司 | Hydraulic support element |
| US11459915B2 (en) | 2017-06-07 | 2022-10-04 | Schaeffler Technologies AG & Co. KG | Hydraulic support element |
| CN110359974A (en) * | 2018-04-09 | 2019-10-22 | 舍弗勒技术股份两合公司 | Hydraulic support element for internal combustion valve mechanism |
| CN110359974B (en) * | 2018-04-09 | 2022-08-19 | 舍弗勒技术股份两合公司 | Hydraulic support element for a valve train of an internal combustion engine |
| CN112219051A (en) * | 2018-06-05 | 2021-01-12 | 采埃孚股份公司 | Method for producing a base body for a valve housing of a hydraulic control valve and valve housing with a base body |
| WO2021134484A1 (en) * | 2019-12-31 | 2021-07-08 | 舍弗勒技术股份两合公司 | Hydraulic lash adjuster for valve mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015197056A1 (en) | 2015-12-30 |
| KR102279417B1 (en) | 2021-07-21 |
| CN106471224B (en) | 2019-04-02 |
| EP3161280A1 (en) | 2017-05-03 |
| EP3161280B1 (en) | 2018-05-23 |
| DE102014212272A1 (en) | 2015-12-31 |
| US10066517B2 (en) | 2018-09-04 |
| US20180187576A1 (en) | 2018-07-05 |
| KR20170021336A (en) | 2017-02-27 |
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Effective date of registration: 20240320 Address after: 1st Floor, Building 2, No. 1 Antuo Road, Anting Town, Jiading District, Shanghai Patentee after: SCHAEFFLER HOLDING(CHINA) Co.,Ltd. Country or region after: China Address before: German Herzogenaurach Patentee before: SCHAEFFLER TECHNOLOGIES AG & CO. KG Country or region before: Germany |
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